Section Env-Ws 381.23 - Number of Water Quality Parameter Samples(a) A system owner shall collect 2 tap samples for applicable water quality parameters during each monitoring period specified under Env-Ws 381.24 through Env-Ws 381.27 pursuant to Table 381-2 below: Table 381-2
Number of Sites for Water Quality Parameters
| Number of People Served | Number of Sites For Water Quality Parameters |
| |
| >100,000 | 25 |
| 10,001 - 100,000 | 10 |
| 3,301 - 10,000 | 3 |
| 501 - 3,300 | 2 |
| 101 - 500 | 1 |
| less than or equal to 100 | 1 |
(b) Except as provided in (c) below, a system owner shall collect 2 samples for each applicable water quality parameter at each entry point to the distribution system during each monitoring period specified in Env-Ws 381.24. During each monitoring period specified in Env-Ws 381.25 through Env-Ws 381.27, a system owner shall collect one sample for each applicable water quality control parameter at each entry point to the distribution system.(c) The owner of a system which obtains its water supply from ground water may limit entry point sampling described in (b) above to those entry points that are representative of water quality and treatment conditions throughout the system.(d) If water from untreated ground water sources mixes with water from treated ground water sources, the system owner shall monitor for water quality parameters both at representative entry points receiving treatment and representative entry points receiving no treatment.(e) Prior to the start of any monitoring under (c) above, the system owner shall provide to the department written information identifying the selected entry points and documentation, including information on seasonal variability sufficient to demonstrate that the sites are representative of water quality and treatment conditions throughout the system.N.H. Code Admin. R. Env-Ws 381.23
(See Revision Note at chapter heading for Env-Ws 300) #6521, eff 6-4-97, ss by #7734, eff 8-2-02